eighties Definition

eighties
plural noun

1. The period of time between one's eightieth and ninetieth birthdays.

Form: one's eighties
2a. The range of temperatures between eighty and ninety degrees;

Example: It must be in the eighties today
Form: the eighties
2b. The period of time between the eightieth and ninetieth years of a century. Also as adj.

Example: an eighties hairstyle
Form: the eighties

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eighty
noun eighties

1a. The cardinal number 80;
1b. The quantity that this represents, being one more than seventy-nine, or the product of ten and eight.
2. Any symbol for this, eg 80, LXXX. Also in compounds, forming adjectives and nouns, with cardinal numbers between one and nine.

Example: eighty-two
3. The age of 80.
4. A set or group of 80 people or things.

Example: a score of eighty points

adj

1. Totalling eighty. Also with ordinal numbers beween first and ninth.

Example: eighty-second
2. Aged 80. See also eighties, eightieth.

Etymology: Anglo-Saxon; see eighty + -ty².